once in a blue moon
Intermediate (B1)informal
Something that almost never happens.
"We only see each other once in a blue moon."
Hear it in context
Sunrise on the Reaping A Hunger Games Novel By Suzanne Collins AudioBook P1
AudioBookEng · 384:41
Once in a blue moon,
Is climate denialism on the rise? Prof Katharine Hayhoe on science, faith and algorithms
World Economic Forum · 2:55
climate change more than once in a blue moon.
Pat McAfee Makes Pretty Expensive Bet With Flyers Head Coach Rick Tocchet
The Pat McAfee Show · 4:29
Maybe once in a blue moon, but they're tough.
#UFCVegas116 Watch Along w/ UFC Hall of Famer Jens Pulver
UFC FIGHT PASS · 163:59
Adop can get a sub once in a blue moon.
Luke Skywalker | May the 4th Be With You
Brawlhalla · 55:46
Because I like doing this just once in a blue moon.